[edk2-devel] [PATCH 1/1] EmbeddedPkg/AcpiLib: add GICC table init macro for ACPI 6.3

[Ard Biesheuvel]

On Mon, 30 Mar 2020 at 15:12, Ard Biesheuvel <ard.biesheuvel at linaro.org> wrote:
>
> On Mon, 30 Mar 2020 at 15:09, Pete Batard <pete at akeo.ie> wrote:
> >
> > On 2020.03.30 14:06, Ard Biesheuvel wrote:
> > > On Fri, 27 Mar 2020 at 14:06, Pete Batard <pete at akeo.ie> wrote:
> > >>
> > >> Incidentally, this is not an [edk2-platform] patch, as the subject line
> > >> from previous mail seemed to indicate, but an [edk2] patch.
> > >>
> > >
> > > Do we have a user for this?
> >
> > Yes we do. I have a pachset lined up that updates the Raspberry Pi ACPI
> > to 6.3, that has a dependency on this.
> >
>
> But does the RPi have SPE and the associated overflow interrupt? ACPI
> is designed to be backward compatible, so it is perfectly acceptable
> to use the 6.2 macros in the context of a firmware implementation that
> complies with 6.3. Or is there another reason you want to update the
> MADT to 6.3?

BTW, this patch sets the size of the GICC entry to 'sizeof
(EFI_ACPI_6_0_GIC_STRUCTURE)' so it is likely that the parser will
choke on it.

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